9999990011147 has 2 divisors, whose sum is σ = 9999990011148. Its totient is φ = 9999990011146.

The previous prime is 9999990011087. The next prime is 9999990011149. The reversal of 9999990011147 is 7411100999999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9999990011147 - 2¹⁸ = 9999989749003 is a prime.

Together with 9999990011149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9999990011149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999995005573 + 4999995005574.

It is an arithmetic number, because the mean of its divisors is an integer number (4999995005574).

Almost surely, 2^{9999990011147} is an apocalyptic number.

9999990011147 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999990011147 is an equidigital number, since it uses as much as digits as its factorization.

9999990011147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14880348, while the sum is 68.

The spelling of 9999990011147 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety million, eleven thousand, one hundred forty-seven".